Liquid crystal's chaotic inner dynamics
Scientists have unearthed a new dynamic process induced by strong electric fields in thin liquid crystal cells.
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Condensed Matter
Jan 24, 2013
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Page 12 - News tagged with light frequency
Cutting light with a comb
(Phys.org)—Quantum physicists from ETH Zurich have discovered special properties in a laser, thanks to which portable devices can be built to analyse gases and liquids accurately and reliably in the future.
Quantum Physics
Dec 14, 2012
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New technique excites atoms and molecules using pulsed laser
The best method to obtain the most precise information on the inner structure of atoms and molecules is to excite them by means of resonant laser light. Unfortunately, just this laser light (above a certain intensity) can ...
General Physics
Nov 22, 2012
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'Lab-on-a-chip' to accelarate, enhance medical testing, researcher says
(Phys.org)—Suppose you are sick enough to go to an emergency room. A physician examines you and decides that some blood tests are warranted. A phlebotomist draws the blood and sends it to a lab for testing. The results ...
Analytical Chemistry
Oct 10, 2012
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Electromagnetic cloaking possible with ordinary plastic, study finds
A metal object can be made invisible with the help of ordinary plastic, Pekka Alitalo and Constantinos Valagiannopoulos, researchers from the School of Electrical Engineering, have shown in their study.
General Physics
Oct 2, 2012
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Spacetime ripples from dying black holes could help reveal how they formed
(Phys.org)—Researchers from Cardiff University have discovered a new property of black holes: their dying tones could reveal the cosmic crash that produced them.
General Physics
Sep 17, 2012
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Light beams offer bright future for lighter-weight cars
(Phys.org)—Beams of light could one day replace the jumble of wires under a car bonnet, leading to lighter-weight and more fuel-efficient vehicles.
Engineering
Aug 31, 2012
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Researchers develop new method to detect, analyze DNA and RNA
(Phys.org)—University of Georgia researchers have employed specially designed nanomaterials to develop a new, label-free DNA detection method that promises to reduce the cost and complexity of common genetic tests.
Biochemistry
Aug 27, 2012
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Virus detector harnesses ring of light in 'whispering gallery mode'
By affixing nanoscale gold spheres onto a microscopic bead of glass, researchers have created a super-sensor that can detect even single samples of the smallest known viruses. The sensor uses a peculiar behavior of light ...
Nanophysics
Aug 24, 2012
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Nano breakthrough boosts data security
(Phys.org) -- The growing e-security issue is being tackled through nanotechnology at Swinburne University of Technology.
Nanophysics
Aug 15, 2012
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